Air Quality
Excellent
No health implications.
22
PM2.5
41
PM10
100
O3
0.7
CO
9
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
56
Good
Wed
7 May
42
Excellent
Thu
8 May
51
Good
Fri
9 May
45
Excellent
Sat
10 May
30
Excellent
Sun
11 May
65
Good
Mon
12 May
30
Excellent
Air quality in the last 12 months (Xincheng)
|
2025/02
|
34
|
14
|
18
|
54
|
91
|
30
|
17
|
51
|
54
|
69
|
128
|
92
|
47
|
81
|
38
|
34
|
39
|
30
|
34
|
21
|
16
|
19
|
14
|
36
|
61
|
26
|
39
|
56
|
|||
|
2025/01
|
142
|
129
|
90
|
125
|
89
|
115
|
123
|
86
|
58
|
38
|
52
|
105
|
115
|
134
|
96
|
76
|
88
|
110
|
104
|
114
|
122
|
131
|
160
|
106
|
51
|
16
|
43
|
56
|
151
|
97
|
67
|
|
2024/12
|
87
|
103
|
98
|
94
|
74
|
32
|
16
|
32
|
61
|
86
|
37
|
35
|
44
|
56
|
46
|
57
|
104
|
73
|
68
|
90
|
109
|
97
|
97
|
98
|
103
|
94
|
82
|
69
|
99
|
142
|
114
|
|
2024/11
|
47
|
48
|
61
|
74
|
62
|
62
|
60
|
57
|
57
|
58
|
68
|
66
|
70
|
69
|
61
|
55
|
53
|
28
|
22
|
22
|
24
|
26
|
37
|
50
|
61
|
22
|
33
|
40
|
51
|
64
|
|
|
2024/10
|
25
|
27
|
39
|
54
|
56
|
54
|
55
|
47
|
38
|
45
|
52
|
56
|
68
|
44
|
19
|
33
|
32
|
24
|
22
|
21
|
35
|
36
|
26
|
35
|
36
|
37
|
32
|
27
|
40
|
49
|
53
|
|
2024/09
|
28
|
35
|
29
|
30
|
41
|
37
|
18
|
18
|
23
|
25
|
25
|
34
|
43
|
43
|
42
|
29
|
25
|
33
|
35
|
35
|
29
|
25
|
31
|
39
|
48
|
43
|
44
|
52
|
36
|
42
|
|
|
2024/08
|
18
|
20
|
24
|
25
|
30
|
33
|
33
|
29
|
29
|
29
|
24
|
21
|
17
|
20
|
28
|
34
|
23
|
24
|
31
|
27
|
22
|
22
|
23
|
27
|
27
|
32
|
31
|
39
|
32
|
30
|
37
|
|
2024/07
|
29
|
13
|
17
|
24
|
20
|
19
|
19
|
20
|
23
|
25
|
25
|
25
|
28
|
25
|
28
|
30
|
24
|
20
|
22
|
25
|
34
|
34
|
26
|
21
|
29
|
42
|
39
|
23
|
20
|
13
|
14
|
|
2024/06
|
34
|
38
|
26
|
21
|
22
|
27
|
35
|
29
|
17
|
16
|
23
|
26
|
30
|
17
|
30
|
28
|
27
|
14
|
28
|
29
|
30
|
24
|
23
|
16
|
12
|
12
|
19
|
18
|
18
|
20
|
|
|
2024/05
|
16
|
25
|
31
|
29
|
24
|
37
|
43
|
45
|
30
|
31
|
38
|
21
|
53
|
58
|
55
|
53
|
55
|
39
|
14
|
25
|
27
|
30
|
43
|
47
|
40
|
19
|
29
|
29
|
43
|
25
|
20
|
|
2024/04
|
64
|
62
|
65
|
33
|
22
|
20
|
19
|
25
|
46
|
37
|
35
|
53
|
49
|
53
|
57
|
48
|
44
|
28
|
47
|
30
|
17
|
48
|
31
|
44
|
56
|
37
|
44
|
52
|
65
|
46
|
|
|
2024/03
|
48
|
65
|
77
|
36
|
48
|
35
|
66
|
71
|
78
|
36
|
34
|
54
|
51
|
23
|
16
|
41
|
56
|
41
|
29
|
88
|
95
|
66
|
46
|
52
|
52
|
32
|
60
|
41
|
52
|
55
|
54
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution